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1,522
RESULTS

Media Type
1,511
texts
6
movies
5
audio
Topics & Subjects
1,316
Coal mines and mining
219
Natural gas
218
Natural gas pipelines
126
Charbon
116
Coal
110
Strip mining
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Collection
1,088
American Libraries
401
Canadian Libraries
360
University of Alberta Libraries
295
FEDLINK - United States Federal Collection
267
Bureau of Land Management Library
238
Montana State Library
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Creator
220
alberta. energy resources conservation board
84
united states. bureau of land management
41
montana. department of state lands
27
pennsylvania. inspectors of mines
21
pennsylvania. dept. of mines
20
pennsylvania. department of mines and mineral industries
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Language
1,484
English
18
French
11
German
3
Spanish
1
Italian
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